Science

Wednesday, 3 June 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Earth
The lowest point on our planet is the Mariana Trench.
The depth of the trench located in the Pacific Ocean at its lowest point is 10.924 m below sea level ...
Brain
It consists of 75% water.
This is primarily why proper hydration of the body is so important - dehydration disrupts the brain’s work.
Amber
Amber often contains remains of insects, crustaceans, spiders, as well as plants.
The genetic material of organisms trapped within the amber is dissolved, so there is no possibility of recreating millennia-old creatures, such as dinosaurs, plainly out of the remnants from amber.
Tears
There are three types of tears.
They are: Basal tears (protecting and nourishing cornea) Reflex tears (glands' reaction to irritating compounds, like smoke) Emotional tears (produced in response to various emotional states)
Mushrooms
Fungi are a separate kingdom, more closely related to animals than to plants.
This is established on the basis of phyologenesis (origin), biochemistry and anatomy. Fungi are reco ...
Phobos
Phobos’ orbit decreases by about 1,8 meters every 100 years.
In about 50 million years, the moon could be torn apart by Mars’ tidal forces or fall to its surface.
Amber
It has been used as a gemstone since antiquity.
Once polished, it glistens and resembles a gemstone.
Silver
The words "silver" and "money" sound identical in at least 14 languages around the world.
Mushrooms
Mushrooms are of great importance in the development of civilization, due to their key role in making bread and wine.
Many species of fungi are used in food production: bread, spirits, cheeses. Some of them, like Penic ...
Phobos
Phobos is believed to be an asteroid that has been intercepted by the gravitational field of Mars.
Both Phobos and Deimos share many similarities with C- or D-type asteroids.